Ba3 Cu6 La3 O14 Er-Rakho L, Michel C, Provost J, Raveau B Journal of Solid State Chemistry 37 (1981) 151-156 A Series of Oxygen-Defect Perovskites Containing Cu(II) and Cu(III): The Oxides La3-x Lnx Ba3 (Cu(II)5-2y Cu(III)1+2y) O14+y _cod_database_code 1001172 _database_code_amcsd 0013414 5.5253 5.5253 11.721 90 90 90 P4/mmm atom x y z occ La1 0 .5 .1798 .5 Ba1 0 .5 .1798 .5 La2 0 .5 .5 .5 Ba2 0 .5 .5 .5 Cu1 0 0 0 Cu2 .5 .5 0 Cu3 0 0 .348 Cu4 .5 .5 .346 O1 .25 .25 0 O2 .25 .25 .358 O3 .5 .5 .147